# SDR ASAA2019052229438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2019
- Submitted: May 28, 2019
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 44,603 hours, 12,959 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019052229438

## Discrepancy

RELEASED PER MEL 21-32B RT PACK PRIMARY TEMP CONTROL INOP. NOTE: CREW SAID THEY HAD A RIGHT PACK LIGHT - EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED CABIN TEMP CONTROLLER BITE PROCEDURE PER FIM 21-61 TASK 801 FOR R/H PACK. NO FAULTS FOUND. PERFORMED GOOD OPS TEST OF CABIN TEMP CONTROL ON R/H SIDE PER AMM 21-61-00-700-807.

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